A rapid, one-step preparation of 2-(arylmethylidene)-1-benzothiophen-3-ones (thioaurones) using directed alpha-metallation, ring closure and aldol-type condensation is described. The reaction leads exclusively to the Z-isomer.
One-step synthesis of thioaurones
CABIDDU, MARIA GRAZIA;CADONI, ENZO;FATTUONI, CLAUDIA;USAI, MICHELE
2002-01-01
Abstract
A rapid, one-step preparation of 2-(arylmethylidene)-1-benzothiophen-3-ones (thioaurones) using directed alpha-metallation, ring closure and aldol-type condensation is described. The reaction leads exclusively to the Z-isomer.
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